13257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// -*- C++ -*- 20ce02245a96edc9d1b2d60653fc06e9941e6fd2aHoward Hinnant//===----------------------------------------------------------------------===// 33257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// 43257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// The LLVM Compiler Infrastructure 53257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 7b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 83257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// 93257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant//===----------------------------------------------------------------------===// 103257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 113257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// <regex> 123257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 133257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// template <class charT> struct regex_traits; 143257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 153257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant// static std::size_t length(const char_type* p); 163257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 173257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant#include <regex> 183257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant#include <cassert> 193257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 203257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnantint main() 213257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant{ 223257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<char>::length("") == 0); 233257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<char>::length("1") == 1); 243257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<char>::length("12") == 2); 253257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<char>::length("123") == 3); 263257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant 273257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<wchar_t>::length(L"") == 0); 283257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<wchar_t>::length(L"1") == 1); 293257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<wchar_t>::length(L"12") == 2); 303257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant assert(std::regex_traits<wchar_t>::length(L"123") == 3); 313257c9853f0612761bbde4adfd56dce566d9f2a6Howard Hinnant} 32